Velleman 4-Digit Display Datasheet-2

LED Drive Control Special Circuit TM1637
7
©Titan Micro Electronics www.titanmec.com
V2.4
2、Flow chart of program design using fixed address
Initialization
Start
Send memory write
command
Set the memory
address
Transfer data of
1 byte
Send display control
command
Send read key
command
Read key command and store into
the MCU register
Is a key
pressed down?
Key processing
program
End
Whether the data has been
transferred completely?
YES
NO
NO